Add TOML configuration files for various packages

- Introduced build configurations for graphene, gst-plugins-bad, gst-plugins-base, gstreamer, gtk4, iso-codes, jbig2dec, libepoxy, libsoup3, libtheora, libxpm, lynx, md4c, openjpeg2, poppler-data, python-attrs, python-automat, python-constantly, python-hyperlink, python-incremental, python-twisted, python-versioneer, python-zope-interface, qpdf, sdl12-compat, tinysparql, unixodbc, vmaf, xcb-util-cursor, xcb-util-image, xcb-util-renderutil, xcb-util-wm, xcb-util, xdg-utils.
- Each package includes build type, dependencies, runtime requirements, and source URLs.
- Added necessary post-install scripts and configurations where applicable.

extra/avahi/preinstall.sh

@@ -0,0 +1,13 @@
+#!/bin/sh
+# thanks alpine
+
+groupadd -r -g 86 avahi 2>/dev/null || :
+useradd -r -u 86 \
+	-d /dev/null \
+	-s /usr/bin/nologin \
+	-g avahi \
+	-c "Avahi System User" \
+	-M \
+	avahi 2>/dev/null || :
+
+exit 0